Date: Mon, 09 Jul 2012 13:49:17 -0700 From: Xin Li <delphij@delphij.net> To: Mikolaj Golub <trociny@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, d@delphij.net Subject: Re: svn commit: r238309 - head/sys/net Message-ID: <4FFB43CD.4070802@delphij.net> In-Reply-To: <201207092038.q69KcIi1038787@svn.freebsd.org> References: <201207092038.q69KcIi1038787@svn.freebsd.org>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 07/09/12 13:38, Mikolaj Golub wrote: > Author: trociny Date: Mon Jul 9 20:38:18 2012 New Revision: > 238309 URL: http://svn.freebsd.org/changeset/base/238309 > > Log: In epair_clone_destroy(), when destroying the second half, we > have to switch to its vnet before calling ether_ifdetach(). > Otherwise if the second half resides in a different vnet, > if_detach() silently fails leaving a stale pointer in V_ifnet list, > and the system crashes trying to access this pointer later. > > Another solution could be not to allow to destroy epair unless > both ends are in the home vnet. > > Discussed with: bz Tested by: delphij Thanks! Since this affects RELENG_9 and RELENG_8, could you please also MFC after a settle period? Cheers, - -- Xin LI <delphij@delphij.net> https://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iQEcBAEBCAAGBQJP+0PMAAoJEG80Jeu8UPuz/ugH/2RmmdfCapeP9eQkIPkaImpm D5ghJ0fS6dOM87i5QY6c0rJU2TrcLZHkZGnuYv+BSMqCz5de8dw9s7UMM6sHLL92 i4tgpDE2DQxM4b5skR7yCBRES6IAiY6kDIgVskaS95PxA9wuJA4ohqS8pQ5Tp6h4 lM2urad7+FpYGLZRTWY2yOzgS/g2JZNEGSX6tPIAhg8xX1hryP869zjjHJGd4932 X6pPyRtNdTHB69t00UiVMbJPzcSLtue4ECTms0xCPKC7t0+VZXgiYWOJlNnPQYzy lUkcYy8ZIyUUTD0duOdyun4oQ7xNEdZgZxcRI0Ids68AQs2xUoddL0IyX1ZMe9w= =kSZl -----END PGP SIGNATURE-----
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